| Business | Phone |
| Advanced Informonics Corp 75 Junction Square Dr, Concord 1742 | (978) 287-1401 |
| Valley View Ventures Inc 97 Mildred Cir, Concord 1742 | (978) 369-5923 |
| Trilogy Inc 1732 Main St, Concord 1742 | (978) 371-3975 |
| Thrive Networks 2352 Main St, Concord 1742 | (978) 461-3999 |
| Bill Robichaud Inc 25 Nancy Rd, Concord 1742 | (978) 369-9064 |
| Net Synthesis Inc 26 Robin Wood Rd, Concord 1742 | (978) 371-0609 |
| Maxsol Inc 2352 Main St, Concord 1742 | (978) 461-1700 |
| Concord Computer Professional 26 Main St, Concord 1742 | (978) 369-4774 |
| Concord Microsystems Inc 92 Elsinore St, Concord 1742 | (978) 371-0943 |
| Key Info Svc 235 Nashawtuc Rd, Concord 1742 | (978) 369-4417 |